Katja Seim is a Professor of Economics at Yale University, specializing in applied microeconomics and industrial organization. Her research focuses on two areas. First, she studies how firms make product introduction and entry decisions, how they assess the competitive implications of different market entry strategies, and how public policies and regulatory interventions shape their choices. A second focus of her research is price discrimination and nonlinear pricing, primarily in the context of communications and information industries. Her research has been published in leading journals such as American Economic Review, American Economic Journal: Microeconomics, Marketing Science, Quantitative Marketing and Economics, and the RAND Journal of Economics.